Last name Steinhardt (Steinhardt 
, שטיינהרט 
) , around the globe, is quite a rare family name. The family name Steinhardt is characteristic of Germany, where it is quite a rare surname, Australia, and Uruguay. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Australia. Much less frequently, Steinhardt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Steinhardt | Germany, Australia, Austria, Indonesia, United States |
| שטיינהרט | Israel |
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joseph steinhardt German rabbi (b. 1720) |
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| menahem mendel steinhardt (b. 1768) |
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karl friedrich steinhardt German painter, DE (b. 1844) |
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| franz steinhardt German composer, DE (b. 1810) |
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steinhardt géza Hungarian actor, SK (b. 1873) |
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karl steinhardt Austrian politician (1875-1963), AT (b. 1875) |
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jakob steinhardt Israeli artist (1887-1968), IL (b. 1887) |
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laurence steinhardt American diplomat, US (b. 1892) |
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| therese steinhardt holocaust victim, b. 1857-11-23, PL (b. 1857) |
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| jeanette steinhardt Holocaust victim, b. 1857-02-06, CZ (b. 1857) |
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| samuel steinhardt holocaust victim, b. 1858-08-10, DE (b. 1858) |
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| johanna steinhardt holocaust victim, b. 1861-02-04, DE (b. 1861) |
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| katharine steinhardt holocaust victim, b. 1862-05-09, DE (b. 1862) |
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nicolae steinhardt Romanian writer, Orthodox hermit and father confessor, RO (b. 1912) |
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| charlotte steinhardt holocaust victim, b. 1863-02-28, AT (b. 1863) |
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